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Questions tagged [saltwater]

Aquariums which are saltwater-based, indicating a different maintenance style from other water types. The "aquarium" tag should normally be included with the question.

Aquariums which are saltwater-based, indicating a different maintenance style from other water types. should normally be included with the question.

If the distinction is necessary, this tag can be coupled with other saltwater-themed aquarium tags including for coral tanks, for fish-only with live rock, and for fish-only saltwater tanks.

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What, exactly, is "ich"?

I've started seeing tiny white spots appear on one of my fish. After asking a friend, he told me it was something called "ich". What is ich and how do I get rid of it?
Spidercat
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Are simulated thunderstorms beneficial for a saltwater aquarium?

Recently, I ran into a larger saltwater aquarium with a lighting system that includes simulated lightning storms. At seemingly random times, the lighting system would simulate a lightning storm using strobe lights (including overnight). Since it…
Steven V
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Would a new 500 L marine aquarium need to be cycled again if upgraded from 80 L nearly finished cycling?

I have a 500 L aquarium I would like to fill with saltwater and eventually fish. I have an 80 L tank starting to cycle now on the 3rd week, containing about 2 kg of live rock. I plan to partially fill the 500 L tank with the contents, filter and…
user214
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Is LED lighting good enough for a healthy saltwater tank?

I have seen good reviews for LED lighting for aquariums, with people mentioning they use them for saltwater. Do they generate enough of the right light for happy live rock and whatnot? One I am thinking about getting in particular is the…
jumpdart
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How To Safely Remove a Sea Cucumber?

I've had a tiger tail cucumber getting along quite well in my tank for about six months. One unfortunate night, my wife decided to [quite amateurishly] rearrange the tank and drastically spiked the parameters. If that wasn't bad enough, it stressed…
Gary
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How To Introduce Additional Clownfish

I've had two clownfish for 6 - 8 months, one orange/white and one black/white. Now I'm trying to add more, but meeting heavy resistance. I realize that you can't mix species but I always thought mine were Ocellaris (the least aggressive). I bought…
Gary
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How is the care of a saltwater tank different than the care of a freshwater tank?

I've just been donated a mature marine tank. I've had a fair few years experience with tropical freshwater fish, but no real experience with marine tanks. What are the major differences, and what new things will I need to look out for, now I have a…
Martin
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Locating dead fish

I can't find a couple of my saltwater fish in my 75 gallon tank. There are so many nooks and crannies for them to hide in the live rocks. I suspect they died. I wish to locate them, so their dead bodies won't be decomposing and releasing toxins. …
Rose
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Would a small amount of bottled water mixed in with an aquarium harm the fish?

This is kind of urgent - I'm watching someone's dogs currently because that is what I am experienced in but they also have an aquarium. I have little to know experience with fish and I did warn the owners. I don't have 100% of the information, a lot…
fishnewb
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Why is there no such thing as a "Saltwater Dip"?

A freshwater dip is common practice to treat many parasites as well as a precaution before introducing new fish (especially wild caught). What's a freshwater dip? Most marine fish prefer a salinity in the neighborhood of 1.024 ppm. Smaller…
Gary
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What are good foods for brine shrimp and how to administer them?

In order to raise brine shrimp to adulthood, what sorts of food can I feed to the brine shrimp in the grow-out tank? What is the best way to administer them? I have heard that yeast and egg yolks are both good sources of food but I wonder if there…
Patrick Sebastien
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How High Can I Raise My Lights?

I have a 110 gallon reef tank being lit by metal-hallides (2x250w) and blue 4 actinic T5s. My light schedule is T5's starting at sunrise for two hours, then MHs for 8 hours, then T5s for two. Obviously the lights get very hot and I'm trying to…
Gary
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How long does it take for a snail to mature into an adult?

I recently bought some turbo snails. Shortly after, I was gifted with a ton of little snails that come out after dark. Unfortunately, they seem to just be food for everyone else. Maybe I should try to put them in the sump? How fast should the…
Gary
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Aquarium overflow vs bottom of tank intake

Wouldn't something that sucks out detritus from the bottom be better than something that can only pull floating stuff? Reasoning: A wet/dry filter will usually feature an overflow, whereas other types of filters (hang on back, canister, etc..) suck…
anon
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All my fish in reef tank died

My husband and I had 4 fish and a shrimp, we had to travel for a week and came back to 3 white decomposed bodies of fish and one, I guess, leftovers of a body... Yet, the shrimp was still alive! Now we came back and found the central AC broken and I…
Majd
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